Nature et faune : revue internationale pour la conservation de la nature en Afrique = Wildlife and nature : international journal on nature conservation in Africa Q Science
The Metaspermae of the Minnesota valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota river Q Science
Manual of the botany (Phænogamia and Pteridophyta) of the Rocky Mountain region, from New Mexico to the British boundary Q Science
Mathematics for practical men: being a common-place book of principles, theorems, rules, and tables, in various departments of pure and mixed mathematics, with their application; especially to the pursuits of surveyors, architects, mechanics, and civil engineers .. Q Science
Molluscorum systema et catalogus. System und aufzählung sämmtlicher conchylien der sammlung vonFr. Paetel. Zur belebung des interesses für malakozoologie nach dessen manuscript hrsg. von dr. L. W. Schaufuss.. Q Science
